---
id: CVE-2026-76433
title: "A vulnerability in the client provisioning download feature of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to access protected files on an affected device.\r\n\r\nThis vulnerability is due to insufficient vali…"
summary: "A vulnerability in the client provisioning download feature of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to access protected files on an affected device.\r\n\r\nThis vulnerability is due to insufficient vali…"
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-22
vendor: cisco
product: identity_services_engine
affected:
  - 'identity_services_engine >= 3.1.0, < 3.3.0'
  - identity_services_engine = 3.3.0
  - identity_services_engine = 3.4.0
  - identity_services_engine = 3.5.0
  - 'identity_services_engine_passive_identity_connector >= 3.1.0, < 3.3.0'
  - identity_services_engine_passive_identity_connector = 3.3.0
  - identity_services_engine_passive_identity_connector = 3.4.0
patched:
  - identity_services_engine 3.3.0
  - identity_services_engine_passive_identity_connector 3.3.0
published: '2026-09-16'
updated: '2026-09-28'
sourceUpdated: '2026-09-28T13:16:49.303'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-76433'
references:
  - url: >-
      https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-multi-traversal-WDTgYCdn
    label: psirt@cisco.com
  - url: 'https://software.cisco.com'
tags:
  - nvd
  - cve.org
  - csaf
  - vendor-advisory
  - cisco
epss: 0.01266
epssPercentile: 0.69588
ingestedAt: '2026-09-16T16:37:52.172Z'
---

## Overview

A vulnerability in the client provisioning download feature of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to access protected files on an affected device.

This vulnerability is due to insufficient validation of directory traversal character sequences in a user-supplied path when the software processes provisioning resource requests. An attacker could exploit this vulnerability by sending a crafted request to the provisioning download service. A successful exploit could allow the attacker to access protected files without authentication, potentially exposing sensitive information.

## Affected

- `identity_services_engine >= 3.1.0, < 3.3.0`
- `identity_services_engine = 3.3.0`
- `identity_services_engine = 3.4.0`
- `identity_services_engine = 3.5.0`
- `identity_services_engine_passive_identity_connector >= 3.1.0, < 3.3.0`
- `identity_services_engine_passive_identity_connector = 3.3.0`
- `identity_services_engine_passive_identity_connector = 3.4.0`

## Remediation

Upgrade past the affected range:

- `identity_services_engine 3.3.0`
- `identity_services_engine_passive_identity_connector 3.3.0`

## Vendor advisories

- **cisco-sa-ise-multi-traversal-WDTgYCdn** · Cisco · affected: Cisco ISE Passive Identity Connector (4 versions), Cisco Identity Services Engine Software (47 versions) · updated 2026-09-16 · [advisory](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-multi-traversal-WDTgYCdn)